21442272

素因数分解:

$2^5\times 3^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 56527632

約数和(自身を除く): 35085360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 401, 557, 802, 1114, 1203, 1604, 1671, 2228, 2406, 3208, 3342, 4456, 4812, 6416, 6684, 8912, 9624, 12832, 13368, 17824, 19248, 26736, 38496, 53472, 223357, 446714, 670071, 893428, 1340142, 1786856, 2680284, 3573712, 5360568, 7147424, 10721136, 21442272]

約数ペア:

[(1, 21442272), (2, 10721136), (3, 7147424), (4, 5360568), (6, 3573712), (8, 2680284), (12, 1786856), (16, 1340142), (24, 893428), (32, 670071), (48, 446714), (96, 223357), (401, 53472), (557, 38496), (802, 26736), (1114, 19248), (1203, 17824), (1604, 13368), (1671, 12832), (2228, 9624), (2406, 8912), (3208, 6684), (3342, 6416), (4456, 4812)]